Interlock switch

Details Interlock switch Interlock switch

1995-05-19

1996-12-24

Brown, Brian W.

Electricity: circuit makers and breakers

Multiple circuit control

Reciprocating contact

200 16D, 200 5112, 361785, 439358, H01H 138, H01H 1306, H01R 3306

Patent

active

055875688

ABSTRACT:
An interlock switch for electrically coupling opposing surfaces of a circuit card assembly, wherein each of the surfaces includes a contact pattern defining circuit and switch functions. The interlock switch comprises a pair of contacts which engage the contact patterns on the circuit card assembly to electrically couple the circuits located on the oppositely facing surfaces thereof and a switch body for housing the contacts. The switch body includes a slot for solder-free coupling the switch to an edge of the circuit card assembly. The slot enables the switch to selectively reciprocate among three switch positions on the edge of the circuit card assembly to provide either an open circuit or a closed circuit on the circuit card assembly in any one of three switch positions for each contact. A spring is housed within the switch body for biasing the switch from one of the three positions making it a momentary position. A pair of locking projections are provided for preventing the switch from being easily removed from the edge of the circuit card assembly.

REFERENCES:
patent: 3491328 (1970-01-01), Geis, Jr.
patent: 4069403 (1978-01-01), Beaudette et al.
patent: 4746771 (1988-05-01), Koslar

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